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Add type alloc function

pull/335/head
A. R. Shajii 2023-02-11 21:57:28 -05:00
parent d9ca0c2cbf
commit 634878e6f1
1 changed files with 21 additions and 28 deletions
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49
codon/cir/llvm/llvisitor.cpp
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@ -875,23 +875,6 @@ void LLVMVisitor::writeToPythonExtension(const PyModule &pymod,
? llvm::ConstantStruct::get(pySequenceMethodsType, sequenceSlots)
: null;
auto *nameVar = new llvm::GlobalVariable(
*M, llvm::ArrayType::get(B->getInt8Ty(), pytype.name.length() + 1),
/*isConstant=*/true, llvm::GlobalValue::PrivateLinkage,
llvm::ConstantDataArray::getString(*context, pytype.name), ".pyext_type_name");
nameVar->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
auto *docsConst = null;
if (pytype.doc.empty()) {
auto *docsVar = new llvm::GlobalVariable(
*M, llvm::ArrayType::get(B->getInt8Ty(), pytype.doc.length() + 1),
/*isConstant=*/true, llvm::GlobalValue::PrivateLinkage,
llvm::ConstantDataArray::getString(*context, pytype.doc),
".pyext_type_docstring");
docsVar->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
docsConst = llvm::ConstantExpr::getBitCast(docsVar, ptr);
}
auto *refType = cast<types::RefType>(pytype.type);
auto *llvmType = getLLVMType(pytype.type);
auto *objectType = llvm::StructType::get(pyObjectType, llvmType);
@ -900,17 +883,23 @@ void LLVMVisitor::writeToPythonExtension(const PyModule &pymod,
? M->getDataLayout().getTypeAllocSize(getLLVMType(refType->getContents()))
: 0;
auto pySize = M->getDataLayout().getTypeAllocSize(objectType);
auto *alloc = llvm::cast<llvm::Function>(
M->getOrInsertFunction(pytype.name + ".py_alloc", ptr, ptr, i64).getCallee());
/*
{
auto *entry = llvm::BasicBlock::Create(*context, "entry", alloc);
B->SetInsertPoint(entry);
auto *memory = B->CreateCall(allocUncollectable, pySize);
// TODO
auto *entry = llvm::BasicBlock::Create(*context, "entry", alloc);
B->SetInsertPoint(entry);
auto *pythonObject = B->CreateCall(allocUncollectable, B->getInt64(pySize));
auto *header = B->CreateInsertValue(
llvm::ConstantStruct::get(pyObjectType, B->getInt64(1), null),
alloc->arg_begin(), 1);
B->CreateStore(header, pythonObject);
if (refType) {
auto *codonObject = B->CreateCall(
makeAllocFunc(refType->getContents()->isAtomic()), B->getInt64(codonSize));
B->CreateStore(codonObject,
B->CreateConstInBoundsGEP2_32(objectType, pythonObject, 0, 1));
}
*/
B->CreateRet(pythonObject);
std::vector<llvm::Constant *> typeSlots = {
llvm::ConstantStruct::get(
@ -920,7 +909,7 @@ void LLVMVisitor::writeToPythonExtension(const PyModule &pymod,
pyString(pytype.name), // const char *tp_name;
B->getInt64(pySize), // Py_ssize_t tp_basicsize;
zero64, // Py_ssize_t tp_itemsize;
// destructor tp_dealloc;
free,
zero64, // Py_ssize_t tp_vectorcall_offset;
null, // getattrfunc tp_getattr;
null, // setattrfunc tp_setattr;
@ -936,7 +925,7 @@ void LLVMVisitor::writeToPythonExtension(const PyModule &pymod,
null, // setattrofunc tp_setattro;
null, // PyBufferProcs *tp_as_buffer;
zero64, // unsigned long tp_flags;
docsConst, // const char *tp_doc;
pyString(pytype.doc), // const char *tp_doc;
null, // traverseproc tp_traverse;
null, // inquiry tp_clear;
pyFunc(pytype.cmp), // richcmpfunc tp_richcompare;
@ -968,7 +957,11 @@ void LLVMVisitor::writeToPythonExtension(const PyModule &pymod,
B->getInt8(0), // char tp_watched;
};
// TODO
auto *pyTypeObjectVar = new llvm::GlobalVariable(
*M, pyTypeObjectType,
/*isConstant=*/false, llvm::GlobalValue::PrivateLinkage,
llvm::ConstantStruct::get(pyTypeObjectType, typeSlots),
".pyext_type." + pytype.name);
}
// set tp_base in module init func